Description |
|
 Built in Pre-amplifier 3.Uniqe design, easy for hidden install
|
Parameter
Voltage: DC 9-12 v
Electric current: 20MA Frequency range: 100-100 KHZ Pickup range:3-5meters Connecting mode: red (audio) , black (power) Apply to Hikvision, dahua, hanbang and Other video recorder Weight:23g Size: 27mm*27mm*11mm
